Remote laboratories that are accessible via the Internet are becoming a common phenomenon in higher education institutions. This thesis describes the iLab Service Broker architecture, a software infrastructure that supports these Internet-accessible labs by providing a number of services that facilitates their administration and management. These common… (More)

This descriptive study focused on coping styles used by women undergoing a first amniocentesis. The 60 women who participated in the study were undergoing amniocentesis in the second trimester of pregnancy. The women completed an instrument to determine coping styles at three points during the amniocentesis process. Results showed that coping strategies… (More)

iLabs are remote online laboratories that allow users to perform experiments through the Internet. As an educational tool the iLab platform enables students and educators, who do not have access to laboratories, to complement their theoretical knowledge by carrying out experiments remotely on equipment located anywhere in the world and at any time of the… (More)

UNIXTM I/O is based on a file centric model that uses file descriptors, but these map poorly onto communication channels such as network sockets. The stream represents a more general I/O model that overcomes this problem. We illustrate the design of a generic interface that uses a stream abstraction rather than a file. The interface is implemented as a… (More)